Home / 7,432.54-11,148.98-2,990.66

Finding the Fourth Proportional to 7,432.54, 11,148.98 and 2,990.66

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Solution

The fourth proportional to 7,432.54, 11,148.98 and 2,990.66 is: 4,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.54 : 11,148.98 = 2,990.66 : x
  2. Step 2: Convert to fraction form
    7,432.54/11,148.98 = 2,990.66/x
  3. Step 3: Cross multiply
    7,432.54x = 11,148.98 × 2,990.66
  4. Step 4: Simplify right side
    7,432.54x = 33,342,737.83
  5. Step 5: Solve for x
    x = 33,342,737.83/7,432.54
  6. Step 6: Final answer
    x = 4,486.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.